BMW Motorrad Navigator IV - No PC connection

1. BMW Motorrad Navigator 4 B0924-99
2. Device is not bricked but I can't connect to PC
3. I verify all hardware connectios - mini USB socket sodering and I verify the USB cable connected to mini USB and all connections are ok. Also I verify with 3 different cables.
4-5. When I connect to PC the device start charging but PC not detect any device. Also in software page device did't detect any usb cable.
6. I have installed the Garmin drivers.
7. Yes I know the HWID
8. I did't know how to enter in pre-boot mode and all further procedure I can't try.

Please help with any advice to repair pc connection.